#403D39#403D39

#403D39 is a dark, near-neutral grey. Relative luminance 0.047; OKLCH L 36.2% C 0.008 H 75.3°. Best body text is #FFFFFF at 10.80:1 contrast (WCAG AA passes).

Color values

HEX	#403D39
RGB	rgb(64, 61, 57)
HSL	hsl(34, 6%, 24%)
HSV	hsv(34, 11%, 25%)
CMYK	cmyk(0%, 4.7%, 10.9%, 74.9%)
CIE-LAB	lab(25.93, 0.44, 2.92)
CIE-LCH	lch(25.93, 2.96, 81.53°)
OKLab	oklab(36.16% 0.002 0.0077)
OKLCH	oklch(36.16% 0.008 75.3)
XYZ	xyz(4.5215, 4.7229, 4.5435)
Luminance	0.0472 (WCAG relative)
Temperature	neutral
Family	grey

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403D39 #393C40

analogous

#403939 #403D39 #3F4039

triadic

#403D39 #39403D #3D3940

tetradic

#403D39 #394039 #393C40 #40393F

square

#403D39 #394039 #393C40 #40393F

split-complementary

#403D39 #393F40 #393940

monochromatic

#100F0E #201E1C #403D39 #605C56 #817B73

Accessibility & contrast

On white

10.80

#403D39 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#403D39 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403D39

10.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403D39	#FFFFFF	#000000	##FFFFFF
##403D39	1.00	10.80	1.94	10.80
#FFFFFF	10.80	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E3D39

Deuteranopia (green-blind)

#3F3E39

Tritanopia (blue-blind)

#413C3C

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #403d39;
/* rgb */ color: rgb(64, 61, 57);
/* oklch */ color: oklch(36.2% 0.008 75.3);

Tailwind

colors: {
  custom: {
    50: '#74726f',
    500: '#403d39',
    950: '#000000',
  },
}

SCSS

$custom: #403d39;
$custom-light: #74726f;
$custom-dark: #000000;

JSON

{
  "hex": "#403d39",
  "rgb": {
    "r": 64,
    "g": 61,
    "b": 57
  },
  "hsl": {
    "h": 34.286,
    "s": 5.785,
    "l": 23.725
  },
  "oklch": {
    "l": 0.36164,
    "c": 0.00793,
    "h": 75.3
  },
  "luminance": 0.04723
}

Semantic roles & 50–950 ramp

primary

#403D39

secondary

#666A6F

accent

#90AF79

background

#F7F6F6

surface

#EDECEC

border

#C8C7C7

text

#080807

muted

#7B7B7A

Preview Lab

Preview with #403D39

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →